Mobile robot



FIG. 1 is a mobile robot in a perspective view;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines are included for the purpose of illustrating portions of the mobile robot that form no part of the claimed design. 

CLAIM The ornamental design for a mobile robot, as shown and described. 